US1538108A - Valve-seat construction - Google Patents

Description

May-19, 1925.

7J. c. HAGEY VALVE SEAT CONSTRUCTION FelmJan. l2. 1923 //////AAAdnA//// Patented May 19, 1925.

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JAM'ESCLARKE HAGE-IY; OF. CHICAGO, ILLINOIS,, ASSIGNORETUTHE CABLECOIVLPANY.. OF CHICAGO, ILLINOIS., ACORPORATIONGFILLINOIS..

VALVE-SEAT xCONSTRUCTION.

Application filed January 12, 1923.

To [JZ whom it may concern:

Be it knownthat I, JAMEs CLARKE HAGEY,

a citizen ofthe United States, residingvatY Chicago. in the countyof Cook and State of Illinois, have invented new and useful ImVF provenients in `Valve-SeatConstructions, of which the following is a full, clear, concise,l and exact description, reference being-had to the accompanying drawing, formingv a part of this specification.

lily invention relates to' valve-construc-` tion, and ymore particularly `to valve-con structions for use in automatic musical,

instruments.

Une of the objects of my-invention is to provide an improved valveseat-construction,

which ,will insure quiet4 va ve actionv and which will do away with the `objectionable,- whistling orhissingnoises attendant on the operation of valve-constructions now in use.

A further object of my inventionfis -to provide improved means for holdinga. facing material against the walls of the valveport.

A further object of my invention is to provide an improved valve-construction which will be durable and efficient in use and cheap to manufacture.

Further objects of my invention will appear from the detailed description to follow and from the appended claims.

In the drawings, in which two embodiments of my invention are shown- F ig. 1 is a sectional view of a valve-coin struction Fig. 2 is a top plan view of a port-member and associated parts;

Fig. 3 is a bottom plan view of the portniember with `the facing in position, Showing the tongues before they have been pressed into engagement with the walls of the valve-port;

Fig. 4 is a sectional view, on the line 4-4 of Fig. 3; and

Fig. 5 is a detail view of a spring retaining-ring.

Referring to the drawings in detail, the construction shown therein comprises a double acting valve 10, an atmospheric portmember 11, a suction port-member 12, a diaphragm-pneumatic 13 for actuating the valve 10, and a bellows-pneumatic 14 controlled by the valve 10.

The atmospheric port-member 11 is provided with a facing 15 of soft sheet-material,

Serial No. 612,255.

such. soft leather, which provides a seat'- lingfor the valve 10, andalso provides4 a gasket between the port-members 11 .and 12. In order to prevent a whistlingnor. hissing sound, the facing, material 15 is made to extend up into the Vvalve-port 16, thereby se.- curingha roundedcontour at 17 where the air flowingwin hasto change its direction to get past the valve 10. For this purpose, the facingml is shaped to provide a -plurality of t-aperingtongjues 18 which extend` up into the valve-port 16.*, In order to holdl these tongues 18 pressed 'against thewall .of the valve-port 16,. I provide a spring ring 19` which lits snugly-against the tapering tongues 18 and holds `them firmly'pressed against the wallv of the valve-port "16.

T he suction port-member 12 isprovided with an annular valve-seat portion por stool 20, the `upper `edgey of whichiis roundedas indicated at 21and 'covered with-a facing 22` of soft sheet-material which forms ar valve-seat.

The operation of the diaphragm-pneu matic 13, the valve 10, and the bellowspneumatic 14 is the usual operation of these parts in automatic musical instruments, and need not be described. It is, however, stated that valve-stem guides 23 and 24 are provided and a bleed or vent 25.

The size of the spring ring 19 is such that it has to be contracted slightly to enable it to be inserted into the valve-port 16, so that the tension of the spring forces it outwardly and presses the tongues 18 snugly against the wall of the valve-port 16.

In order to facilitate the insertion and remoral of the spring ring 19, the ends overlap each other somewhat, and extend inwardly as indicated at 26. In inserting or removing the ring, the ring may be contracted by inserting the jaws of a tool, such as a pair of pliers, -between the inwardly bent portions of the ring, and operating the pliers to force these inwardly bent ends away from each other, thus contracting the ring and facilitating its insertion or removal.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent of the United States, is:

1. A valve-seat construction comprising a port-member having a valve-port therein, a facing of sheet material secured to said port-member, said facing having a valvelOt seat portion outside and surrounding said valve-port and a plurality of tongues extending from said valve-seat portion into said valve-port, and means for holding said tongues pressed against the Wall of said valve-port.

2. A valvef-seat construction comprising a port-member having a valve-port therein7 a facing of sheet material secured to said portmember7 said facing having a valve-seat por tion outside and surrounding said valveport and a plurality of tongues extending from said valve-seat portion into said valveport, and means for holding said tongues pressed against the Wall of said valve-port, said means comprising a member having an annular portion for engaging said tongues.

3. A valve-seat comprising a port-member having a valve-port therein, a facing of sheet material secured to said port-member about and extending Within said valve-port and spring means for pressing said facing against the Wall of said valve-port.

1l. A valve-seat comprising a port-member having a valve-port therein, a facing of sheet material secured to said port-member about and extending Within said valve-port and a spring ring for pressing said facing against the Wall of said valve-port.

5. A valve-seat construction comprising a port-member having a valve-port therein, a facing of sheet material secured to said port-member7 said facing having a valveseat portion outside and surrounding said valve-port and a portion extending from said valve-seat portion into said valve-port, and a spring ring Within said valve-port for holding the last said portion pressed against the Wall of said valve-port.

6. A valve-seat construction comprising a port-member having a valve-port therein7 a facing of sheet material secured to said port-member, said facing having a valveseat portion outside and surrounding said valve-port and a plurality of tongues extending from said valve-seat portion into said valve-port, and a spring ring for holding said tongues pressed against the Wall of said valve-port.

7. A valve-seat comprising a port-member having a valve-port therein, a facing of sheet material secured to said port-member about and extending Within said valve-port and a spring ring for pressing said facing against the Wall of said valve-port, said spring ring having inwardly extending projections to facilitate its insertion and removal.

In `Witness whereof, I have hereunto subscribed my name.

J. CLARKE HAGEY. Witnesses:

RALPH L. HUBBELL.

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